Suborder Ceratiineae diagnosis

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Suborder Ceratiineae

Citation: Ceratiineae Fensome et al. 1993b.

Diagnosis:Gonyaulacaleans having at least three horns, of which one or two are formed by contributions from postcingular plates, and in which the first antapical plate (1\'\'\'\') contacts six or seven adjacent plates, including the distalmost postcingular plate.